improperly
English edit
Etymology edit
From Middle English improprelich, impropreliche, impropurly, inproperlye; equivalent to improper + -ly.
Adverb edit
improperly (comparative more improperly, superlative most improperly)
From Middle English improprelich, impropreliche, impropurly, inproperlye; equivalent to improper + -ly.
improperly (comparative more improperly, superlative most improperly)